Betty has been given to about 1,004,857 people in the United States since 1880. It was most common in 1930, which makes it a interwar name.
Its best year was 1930, when 38,396 babies were given the name, ranking 2nd. The typical living American called Betty is about 83 years old today. It is relatively most common in Utah, where it accounts for 0.02% of births.
Source: US Social Security Administration, national and state name files, 2025 release, and the Office for National Statistics for England and Wales. Etymology researched and written by our editors. Living-population and median-age figures are our own estimates, described in the methodology.